I remember back in 1968 going to see Yellow Submarine and loving Heinz Edelmann's animated illustrations. I had followed his work for many years in Twen magazine where he appeared regularly.
Here are some of the finished drawings that appeared in Twen at the time of the film's release.
And thinking about the late George Martin here is one of his most memorable arrangements for The Beatles, A Day in The Life in a recently restored studio film recording from 1967. Take a look and listen here